RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-30 21:28:11 +00:00
Code Issues Activity Actions

Kernel: Make KBuffer::try_create_with_size() return KResultOr

Browse source 
This allows us to use TRY() in a lot of new places.
This commit is contained in:
Andreas Kling 2021-09-07 15:15:08 +02:00
parent c69035c630
commit 899cee8185
10 changed files with 31 additions and 72 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Kernel/Net/NetworkAdapter.cpp
View file

@ -116,10 +116,11 @@ RefPtr<PacketWithTimestamp> NetworkAdapter::acquire_packet_buffer(size_t size)
{
InterruptDisabler disabler;
if (m_unused_packets.is_empty()) {
auto buffer = KBuffer::try_create_with_size(size, Memory::Region::Access::ReadWrite, "Packet Buffer", AllocationStrategy::AllocateNow);
if (!buffer)
auto buffer_or_error = KBuffer::try_create_with_size(size, Memory::Region::Access::ReadWrite, "Packet Buffer", AllocationStrategy::AllocateNow);
if (buffer_or_error.is_error())
return {};
auto packet = adopt_ref_if_nonnull(new (nothrow) PacketWithTimestamp { buffer.release_nonnull(), kgettimeofday() });
auto buffer = buffer_or_error.release_value();
auto packet = adopt_ref_if_nonnull(new (nothrow) PacketWithTimestamp { move(buffer), kgettimeofday() });
if (!packet)
return {};
packet->buffer->set_size(size);
@ -133,10 +134,10 @@ RefPtr<PacketWithTimestamp> NetworkAdapter::acquire_packet_buffer(size_t size)
return packet;
}
auto buffer = KBuffer::try_create_with_size(size, Memory::Region::Access::ReadWrite, "Packet Buffer", AllocationStrategy::AllocateNow);
if (!buffer)
auto buffer_or_error = KBuffer::try_create_with_size(size, Memory::Region::Access::ReadWrite, "Packet Buffer", AllocationStrategy::AllocateNow);
if (buffer_or_error.is_error())
return {};
packet = adopt_ref_if_nonnull(new (nothrow) PacketWithTimestamp { buffer.release_nonnull(), kgettimeofday() });
packet = adopt_ref_if_nonnull(new (nothrow) PacketWithTimestamp { buffer_or_error.release_value(), kgettimeofday() });
if (!packet)
return {};
packet->buffer->set_size(size);